docs: update changelog and bump version

Author: lindyhopchris

CHANGELOG.md

@@ -5,6 +5,13 @@ All notable changes to this project will be documented in this file. This projec
 
 ## Unreleased
 
+## [5.0.0] - 2024-11-29
+
+### Added
+
+- **BREAKING**: [#21](https://github.com/laravel-json-api/core/pull/21) The `Authorizer` contract now allows all methods
+  to return a `bool` or an Illuminate authorization response.
+
 ## [4.3.1] - 2024-11-29
 
 ### Fixed